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Title:
アゾ系化合物及び染色方法
Document Type and Number:
Japanese Patent JP7344710
Kind Code:
B2
Abstract:
To provide a dye having good light fastness and used for various recording media, preferably for fiber, and further preferably for polyester fiber.SOLUTION: The present invention provides a compound represented by the formula (1) in the figure. (In the formula (1), R1 represents a hydrogen atom or nitro group; R2 and R3 each independently represent a C1-C4 alkyl group optionally substituted with a C1-C4 alkoxy group or phenyl group; R4 represents a halogen atom; and R2 and R3 may be linked to each other to form a ring.)SELECTED DRAWING: None

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JPS5543193AZO DYESTUFF
Inventors:
Takashi Yoneda
Ryo Teranishi
Rima Akanuma
Kenji Sekine
Koji Hirota
Application Number:
JP2019145412A
Publication Date:
September 14, 2023
Filing Date:
August 07, 2019
Export Citation:
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Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
C09B29/08; C09B67/46; D06P1/18; D06P3/54; D06P5/30
Domestic Patent References:
JP2017160345A
JP3007390A
JP3007388A
JP2019089988A
JP2018127547A
JP6108380A
Other References:
Gregory, Peter; Thorp, Derek,The electronic absorption spectra of 2-substituted-4-NN-diethylamino-4'-nitroazobenzene dyes and their monoacid cations: the applicability of Dewar's rules to these and related dyes,Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999),1979年,(8),,1990-2000
Nishimura, Norio; Kosako, Shinya; Sueishi, Yoshimi,The thermal isomerization of azobenzenes. III. Substituent, solvent, and pressure effects on the thermal isomerization of push-pull azobenzenes,Bulletin of the Chemical Society of Japan ,1984年,57(6),,1617-25
Wakatsuki, Yasuo; Yamazaki, Hiroshi; Grutsch, et al.,Study of intramolecular sensitization and other excited-state pathways in orthometalated azobenzene complexes of palladium(II),Journal of the American Chemical Society ,1985年,107(26),,8153-9